Clock



FIG. 1 is a left front perspective view of a clock showing my new design;

FIG. 2 is a rear elevational view thereof as taken from arrow II of FIG. 1;

FIG. 3 is a front elevational view thereof as taken from arrow III of FIG. 1;

FIG. 4 is a left side elevational view thereof as taken from arrow IV of FIG. 1, the right side being a mirror image thereto;

FIG. 5 is a top plan view thereof as taken from arrow V of FIG. 1, the bottom being a mirror image thereto;

FIG. 6 is a cross-sectional view thereof as taken from line VI--VI of FIG. 3;

FIG. 7 is an enlarged partial cross-sectional view as taken from arrow VII of FIG. 6;

FIG. 8 is an enlarged partial cross-sectional view as taken from arrow VIII of FIG. 6. 

The ornamental design for a clock, substantially as shown and described. 